Hanger and trolley-wheel for freight-car doors.



E. A. HILL. I HANGER AND TROLLEY WHEEL FOR FREIGHT OAR DOORS.

APPLICATION FILED AUGJ, 1911.

Patented Nov. 14,' 1911.

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hereln to this feature of the device. as it ,forms the subjectmatter of my application Serial No. 567,66lr'eferred to above.

opening 20 and surrounding the same with an outwardly projecting boss 21. The trolley which fits into the pen1ng17, as closely-as may be, and is formed with-t-he'circumferential inwardly projecting flange 23 which wheel has the integrally formed stud 22 Q overlaps-and bearsnpon the boss 21. In

other words,- the trolley wheel is in effect groo'ved to receive the, boss on the hanger.

With-the trolley wheel and ,hanger so con- ;structed the former takes twobearings on the latter, and-the flange 23 on the projecting. bOSS.'

the stud bearing in the opening Furthermore the bearing between. the stud and thejhangeris lengthened without either P narrowing; the tread of the wheel, which would be undesirable, or increasing the effective width of hanger and trolley wheel,

which woul'd be equally undesirable; As a bind but runs true on the track. A,

result the trolley wheel cannot. wabble or While I have described a preferred form .of my invention it will be 'clearjto those skilled in, the artv that some change in the form andproportion of the parts mightbe Jrnade without departure from the invention. Therefore I do not limit myself to the partic'ulars shown and described exceptv so far as the same are made limitations upon the I claims herem,

nding flange" 19, no. claim being laid No claim ismade herein to the; track as the track is claimed 1n the specific form "herein shown in -my Patent 11001930 dated .Aiigust'2'2, 1911. of which the present ap The hanger is formed with a circular takes abearing in the opening in said hanger, and a projecting flange whichtakes attached to -the ban er and held in operative position by the tracl; on which it runs, substantially as described.

2; In apparatus of thecharacter described,- the combination with a door hanger, of a trolley wheel. oneof said two members having a stud and the other an opening into which said stud is received and the said members being formed with circular projectionsconcentric with the stud'andopen- -1ng,"0ne of which overlaps and bears upon the other; the trolley wheel-being unattached to the hanger so that it is held in position thereon solely by the. track on which It runs, substantially as described Witnesses:

P. H. TRUMAN, FALKE1SBERG;

" EDWARD A5; HILL.

i ,a bearing on said boss the trolley being un- 

